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needlepoint technique

...inch, the embroidery is called petit point; if the number of holes ranges from 7 or 8 to 16 squares per inch, it is called gros point; and, if the mesh openings are fewer than 7, it is known as
quick point. From the 16th to the 18th century most needlepoint was petit point with 20 to 45 squares per linear inch.